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 ###Instrução: Em 2009, quais Aparições tiveram uma Porcentagem de Vitórias menor que 0?
 ###Tabelas: CREATE TABLE most_wickets_in_a_season (most_wickets_in_a_season_id AUTO_INCREMENT PRIMARY KEY, Matches INT, Wickets INT, Runs INT, 10WM INT, Best VARCHAR) CREATE TABLE wins (wins_id AUTO_INCREMENT PRIMARY KEY, Driver VARCHAR, Wins INT, Starts INT, Sprint INT, Feature INT) CREATE TABLE notable_masters (notable_masters_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Employed VARCHAR, Position held VARCHAR, Honour VARCHAR, Citation VARCHAR) CREATE TABLE all-time_series_records_against_big_12_members (all-time_series_records_against_big_12_members_id AUTO_INCREMENT PRIMARY KEY, Texas vs. VARCHAR, Overall Record VARCHAR, at Austin VARCHAR, at Opponent's Venue VARCHAR, at Neutral Site VARCHAR, Last 5 Meetings VARCHAR, Last 10 Meetings VARCHAR, Current Streak VARCHAR) CREATE TABLE appearances_by_team (appearances_by_team_id AUTO_INCREMENT PRIMARY KEY, Appearances INT, Team VARCHAR, Wins INT, Losses INT, Winning percentage INT, Season(s) VARCHAR)  
SELECT AVG Appearances FROM appearances_by_team WHERE Season(s) = 2009 AND Winning percentage < 0